Home / 3,439.12-4,746-2,022.40

Finding the Fourth Proportional to 3,439.12, 4,746 and 2,022.40

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Solution

The fourth proportional to 3,439.12, 4,746 and 2,022.40 is: 2,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.12 : 4,746 = 2,022.40 : x
  2. Step 2: Convert to fraction form
    3,439.12/4,746 = 2,022.40/x
  3. Step 3: Cross multiply
    3,439.12x = 4,746 × 2,022.40
  4. Step 4: Simplify right side
    3,439.12x = 9,598,310.40
  5. Step 5: Solve for x
    x = 9,598,310.40/3,439.12
  6. Step 6: Final answer
    x = 2,790.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.